import imgUrl from './img/bg.png'
import './css/img.css'
const oEle = new Image()
oEle.src = imgUrl
oEle.style.width = '720px'
document.body.appendChild(oEle)


// css 背景图
const oEle1 = document.createElement('div')
oEle1.className = 'bg'
document.body.appendChild(oEle1)

